This page explains how TERRY HAYNES (USATT# 195284)'s rating went from 1247 to 1234 at the 2019 Luke White Memorial Winter Singles League event from 29 Oct 2019. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.